hohem MIC-01 - Microphone Manual

Product List

Before using this product, please carefully check that all the following items are included in the product package. In case that any item is found missing, please contact Hohem customer service or the local distributor.

Introduction

Transmitter (TX)

1. Back Clip
2. Power Button (Shutter/Mute)
3. Clip Magnet
4. Mode Button (Noise Cancellation/ Linking/Reverb)
5. 3.5mm TRS Output
6. Built-In Microphone
7. Status Indicator
8. Charging Contact
9. TF Card Slot
10. Type-C Charging Port

Receiver (RX)

1. Type-C Charging Port
2. "-" Button (Gain / Linking)
3. CH1 Indicator
4. CH2 Indicator
5. "+" Button (Gain / Linking)
6. 3.5mm Monitor Port
7. Type-C/Lightning Port

Charging Operation

Before use, please ensure that the TX has sufficient battery power.

TX Low-Battery:
Blinks red slowly: Battery below 10%.
Blinks red quickly: Battery below 3%
*For TX status indicator, during low battery state, the battery level indicator takes priority, and other mode indicators will not be displayed.

Connect a USB adapter (not included, we recommend to choose 5V-2A adapter) into the charging port with the provided USB-C charging cable.
TX Charging: Blinks red slowly
TX Fully Charged: Solid red indicator

TX Transmitter

1. Power On/Off: Press and hold the power button for 3s.
   
   Power On: Status Indicator blinks
   Power Off: Status Indicator is off
   
2. Attach (in Back Clip/Magnetic) the TX at the collar, approximately 3.94in (10cm) away from the mouth.
   
3. Attach the windscreen to the transmitter to protect the microphone diaphragm from plosives and wind noise.
   

RX Receiver

Recording Device Connection

1. Using with a Smartphone
   Simply plug the RX into your mobile phone.
   (The Hohem MIC-01 receiver is available in two interface options: Lightning and Type-C. Please choose and purchase according to your specific needs and device compatibility.)
   
   
   * The RX indicator light blinks indicating a successful connection. It's recommended to remove the case before connecting, if you have a thick phone case.
2. Using with a Camera
   * The RX does not contain a built-in battery. When connecting it to a camera, external power is required.
   1. Insert the RX into the output port of external power. Next, use the 3.5mm TRS cable to connect the RX and the camera audio input port(usually marked with a microphone symbol).
   2. Adjust the camera's microphone sensitivity to a range of 1 to 3 simultaneously.

*The 3.5mm TRS cable is not included in the package.

* For better recording results, we recommend using the iSteady MT2 camera stabilizer with your camera. It can not only help improve the filming experience but also power the RX.
Scan the QR code for tutorial videos.

TX and RX Pairing

(Please make sure that the RX receiver is already plugged into your recording device.)

1. After powering the TX on, it indicates that the RX has successfully paired with TX when both the status light on TX and the CH1 indicator remain steady.
2. The CH2 indicator will blink for 30s and automatically turn off.

If pairing is unsuccessful or if pairing is cleared, the indicator lights will start blinking.

To reset the existing pairing and repair the devices, follow these steps:

1. Press and hold the "-" button on RX for 3s. The CH1 indicator light will flash rapidly.
2. Simultaneously, press and hold the Mode Button on TX for 3s. The TX indicator light will flash rapidly.
3. When both TX and CH1 indicator lights are steady, indicating a successful pairing.

Please scan the QR code for tutorial videos.

Features & Indicators

Please ensure that the TX and RX are successfully paired before using the functionalities marked with an asterisk (*).

Noise Cancellation

(The following operations require ensuring that the TX is powered on.)
Intensity Control: Single press the Mode Button to switch between noise cancellation modes

Off: Solid blue indicator
Standard: Solid green indicator
Strong: Solid yellow indicator

* Upon the initial startup, the default noise cancellation mode is standard. After adjusting, the product will retain the last used mode before the previous shutdown.

Reverb *

On/Off: Double press the TX Mode Button

On: Purple and blue/green/yellow(current noise cancellation mode) flashing alternately
Off: Current noise cancellation status indicator

Shutter Control *

Mobile Phone Shutter: Single press the TX power button

Status Indicator Blinks Once: Take a photo or start/stop recording

Mute *

On/Off: Double press the TX power button

On: Solid white indicator
Off: Current noise cancellation status indicator

Real-Time Monitor *

Insert the wired (not included) into the 3.5mm monitor port on RX to monitor the spoken voice and recording status in real-time from the connected TX.

Gain *

Double press the "-" button to activate Gain mode. Now the CH1 indicator remains steady red.
Enhance Gain: Press the "+" button
Reduce Gain: Press the "-" button
Exit Gain Mode: Double press the "-" button (or wait for 10s with no operation)

Tips:

1. Hohem MIC-01 supports 5 levels of gain control. Levels 2 to 4 prompt a single "beep" in the earphone. Levels 5 (highest) and 1 (lowest) prompt a double "beep."
2. Upon initial startup, default to medium gain (Level 3). After setting, the product retains the last-used gain level before the previous shutdown.
3. The gain adjustment button has no function, if it is not in Gain mode.

External Mic *

Simply insert the external microphone into the 3.5mm monitor port on the top of TX.

* External microphone is not included in the package.

Voice Recorder

(Please ensure the TX is already powered on.)
The TX features a TF card slot. When TX is not connected to RX and a TF card is detected, the product can function as a standalone recorder. To ensure optimal recording results, you can select a suitable noise cancellation mode based on the environment.
*It supports up to a 32GB TF card (in FAT format) with the capacity to record up to 94 hours.
Start/Stop: Single press the TX power button

Start: White and yellow/blue/green(noise cancellation mode) flashing alternately
Stop: Current noise cancellation status indicator

Tips:

1. When TX successfully pairs with RX and a TF card is detected, the audio will be automatically recorded in the TF card as a backup.
2. Audio files are recorded in WAV format, suitable for professional audio production and archiving.
3. Two methods to extract recorded audio files from TF card:
   1. Inserting the TF card into a card reader and connecting it to a computer for export.
   2. Directly connect the TX to a computer using a Type-C data cable for exporting.
4. If the TF card space is insufficient and audio isn't exported, new recordings will overwrite the oldest ones.
5. When a TF card is inserted, TX can also serve as a USB drive to store data and copy files.

Specification

* The data above are based on tests in the standard environment at the Hohem lab. Under different scenarios, data is different to some extent. Please refer to the actual use.

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Hohem Technology Co., Ltd.
Email: service@hohem.com
Website: www.hohem.com